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On 7 May 2002, at 8:31, jason.smith@sarcom.com wrote: > I went and picked up my fasty from the mechanic last night. I don't > have too much more info. I started it up and drove out of the driveway but > could only get to about 20mph top speed. So I disconnected the air temp sensor > (it look suspicious ;) I also poured in some fuel injector cleaner. Now I was > able to drive it home on the freeway at about 60 mph, but from stand still it > had absolutely no power. So the air sensor could be one of my problems, since > disconnecting it allowed me to go faster than 20mph. It would be worthwhile to try another known good 72 pressure sensor, just to eliminate that as a possiblity. These symptoms are also consistent with lean running. It might be useful to rig up your own pressure gauge so you can see what the fuel pressure is doing. Have you checked the voltage on the output of the fuel pump relay? I have seen several of those which get resistive and then the pump can't deliver full output. > When I got home the engine was blazing hot, oil light came on at low > idle under load, this is a new development. I could not check the timing > last night so it could be too advanced, and though my mechanic professed he new > the timing for 72, who knows. I was able to do a quick test of the injectors, > by pulling them one at a time and all responded, so I'm not sure were he came up > that they were firing erratically, he was vague on the issue. I did this > multiple times, not conclusive but interesting. You might try checking the timing at home, just to see what your mechanic did. He may have done it by ear just to get it out of the shop. This would be a bad sign for him, but would tell you that one of the "defective" parts you have been dealing with is your mechanic. I wouldn't judge him poorly unless you find the timing mark to be off by more than 1/4". > Where is the intake Auxillary Air Regulator? I read the FI Facts and it > mentioned this, as did the Bentley, could I adjust this to help with my low > idle? And Do any of my problems sound Pressure Sensor related? And if so, > Where do I get one? The AAR is just to the right of the distributor. It is NOT your problem. It certainly could be the pressure sensor. Someone here may have one, but your best bet would be if there was a listee near you with another 72 that would let you trade sensors for a quick drive, just to see if that made a difference. While I may have one in the basement, I can't be completely sure that it's a good one without putting it on a running 72. I don't know any other way to test them. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe